The Senate minority leader came under heavy fire for the second straight day from Democrats enraged at him for backing a Republican bill to avoid a government shutdown, and fallout appears likely to last well past Friday’s vote.

WASHINGTON—The Senate headed toward a vote Friday advancing a Republican measure to fund the government through September, as heartsick Democrats implored Senate Minority Leader Chuck Schumer (D., N.Y.

Veteran Democrats privately believed Chuck Schumer’s decision on the shutdown was inevitable. Others were ready for the top Senate Democrat to lead them into their first big battle against President Donald Trump — and instead have been left fuming.